CN215455602U

CN215455602U - Nanofiber mask

Info

Publication number: CN215455602U
Application number: CN202120548079.7U
Authority: CN
Inventors: 母敏; 刘志军; 王子武; 李军
Original assignee: Guangyuan Shuimu New Material Technology Co ltd
Current assignee: Guangyuan Shuimu New Material Technology Co ltd
Priority date: 2021-03-17
Filing date: 2021-03-17
Publication date: 2022-01-11
Anticipated expiration: 2031-03-17

Abstract

The application discloses nanofiber gauze mask, this nanofiber gauze mask includes: the mask comprises a mask body, an ear band and a nose bridge batten, wherein the mask body comprises a supporting layer, a hydrophobic nanofiber membrane layer, an oleophobic nanofiber membrane layer and a superfine fiber filter material layer which are sequentially compounded from inside to outside; the fiber diameter range of the superfine fiber filter material layer is 0.01-8 mu m; the supporting layer is a plain woven fabric with the fiber diameter within the range of 0.05-0.3mm, or a non-woven fabric with the fiber diameter within the range of 0.1-200 mu m, or superfine fiber cloth with the fiber diameter within the range of 0.02-8 mu m. This application has been solved the gauze mask among the correlation technique and can not have simultaneously concurrently hydrophobic and oleophobic function, has limited the range of application's of gauze mask problem.

Description

Nanofiber mask

Technical Field

The application relates to the field of filtering equipment, in particular to a nanofiber mask.

Background

Different environmental conditions such as high oil smoke and high dust pollution's industrial area, the region that haze weather takes place, high infectivity risk area etc. to the performance requirement of air filter material is different, including filtration efficiency, air permeability, hydrophobicity, oleophobic etc.. Particularly, under the condition of complicated air environment, the filter material has higher requirements on the filtering effect of oily and salt particles. The mask in the related art cannot have the hydrophobic and oleophobic functions at the same time, and the application range of the mask is limited.

Aiming at the problems that the mask in the related art cannot have the hydrophobic and oleophobic functions at the same time and the application range of the mask is limited, an effective solution is not provided at present.

SUMMERY OF THE UTILITY MODEL

The main purpose of this application lies in providing a nanofiber gauze mask to solve the gauze mask among the correlation technique and can not have hydrophobic and oleophobic function concurrently simultaneously, limited the range of application's of gauze mask problem.

In order to achieve the above object, the present application provides a nanofiber mask comprising: the mask comprises a mask body, an ear band and a nose bridge batten, wherein the mask body comprises a supporting layer, a hydrophobic nanofiber membrane layer, an oleophobic nanofiber membrane layer and a superfine fiber filter material layer which are sequentially compounded from inside to outside;

the fiber diameter range of the superfine fiber filter material layer is 0.01-8 mu m;

the supporting layer is a plain woven fabric with the fiber diameter within the range of 0.05-0.3mm, or a non-woven fabric with the fiber diameter within the range of 0.1-200 mu m, or superfine fiber cloth with the fiber diameter within the range of 0.02-8 mu m.

Furthermore, the average fiber diameter of the hydrophobic nanofiber membrane layer is 80-400 nm.

Further, the average fiber diameter of the oleophobic nano-fiber membrane layer is 80-400 nm.

Furthermore, a nose bridge batten is positioned at the upper part of the mask body and is arranged between the support layer and the hydrophobic nanofiber membrane layer.

Further, ear areas are spot-welded on the surface of the superfine fiber filter material layer, and the two ear areas are symmetrically arranged on two sides of the mask body.

Furthermore, the thickness of the superfine fiber filter material layer ranges from 0.1 mm to 0.8 mm.

Furthermore, the periphery of the supporting layer and the periphery of the hydrophobic nanofiber membrane layer are compounded together through ultrasonic spot welding, and a plurality of welding spots of the ultrasonic spot welding are distributed in an array; the area of each welding spot is 0.05-0.5mm2, and the distance between two adjacent welding spots is 5-20 mm.

In the embodiment of the application, by arranging the mask body, the ear belt and the nose bridge batten, the mask body comprises a supporting layer, a hydrophobic nanofiber membrane layer, an oleophobic nanofiber membrane layer and a superfine fiber filter material layer which are sequentially compounded from inside to outside, and the fiber diameter range of the superfine fiber filter material layer is 0.01-8 mu m; the support layer is a plain woven fabric with the fiber diameter within the range of 0.05-0.3mm, or a non-woven fabric with the fiber diameter within the range of 0.1-200 mu m, or an ultrafine fiber cloth with the fiber diameter within the range of 0.02-8 mu m, so that the filtering effect of the mask is improved, the purposes of oleophobic property and hydrophobic property are achieved in the using process, and the problem that the mask in the related technology cannot have both hydrophobic property and oleophobic property at the same time, and the application range of the mask is limited is solved.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, serve to provide a further understanding of the application and to enable other features, objects, and advantages of the application to be more apparent. The drawings and their description illustrate the embodiments of the invention and do not limit it. In the drawings:

FIG. 1 is a schematic structural diagram according to an embodiment of the present application;

wherein, 1 ear area, 2 gauze mask bodies, 3 bridge of the nose layering, 4 supporting layers, 5 oleophobic nanofiber rete, 6 superfine fiber filter material layers, 7 hydrophobic nanofiber rete.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used.

In this application, the terms "upper", "lower", "inside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "disposed," "provided," "connected," "secured," and the like are to be construed broadly. For example, "connected" may be a fixed connection, a detachable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In addition, the term "plurality" shall mean two as well as more than two.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

As shown in fig. 1, an embodiment of the present application provides a nanofiber mask, including: the mask comprises a mask body 2, an ear belt 1 and a nose bridge batten 3, wherein the mask body 2 comprises a supporting layer 4, a hydrophobic nanofiber membrane layer 7, an oleophobic nanofiber membrane layer 5 and a superfine fiber filter material layer 6 which are sequentially compounded from inside to outside;

the fiber diameter range of the superfine fiber filter material layer 6 is 0.01-8 μm;

the supporting layer 4 is a plain woven fabric with a fiber diameter in the range of 0.05-0.3mm, or a non-woven fabric with a fiber diameter in the range of 0.1-200 μm, or an ultrafine fiber cloth with a fiber diameter in the range of 0.02-8 μm.

In this embodiment, the hydrophobic nanofiber membrane layer 7 may be composited on the support layer 4 through an electrostatic spinning process, and the oleophobic nanofiber membrane may also be composited on the hydrophobic nanofiber membrane layer 7 through an electrostatic spinning process, where the electrostatic spinning process is a special spinning process, and the polymer fiber filaments with the nanometer-scale diameter are prepared through the action of an electric field force. The membrane material formed by stacking the nanofiber layers prepared by electrostatic spinning contains a small-aperture and zigzag-hole structure, has high specific surface area, high porosity and good adsorbability, can block small particles, does not hinder the passing of air gas molecules, and has good air permeability. The hydrophobic nanofiber membrane layer 7 is prepared by preparing a hydrophobic high molecular polymer into a first spinning solution and then performing electrostatic spinning by adopting the first spinning solution. Wherein, the hydrophobic high molecular polymer is selected from any one of polyvinylidene fluoride, polylactic acid, polyurethane or polystyrene. The solvent of the first spinning solution is any one of N, N-dimethyl amide, acetone, ethanol, butanol, formic acid, acetic acid and tetrahydrofuran.

The oleophobic nanofiber membrane layer 5 is prepared by preparing oleophobic high-molecular polymer into second spinning solution and then performing electrostatic spinning by adopting the second spinning solution. Wherein, the oleophobic high molecular polymer is selected from any one of polyvinyl alcohol, polyethylene glycol, polyvinylpyrrolidone, polyacrylic acid or polyacrylamide.

The mask in this embodiment has hydrophobic, oleophobic performance, has high specific surface area, high porosity, good adsorptivity moreover, can block less particulate matter, but does not hinder the passing through of air gas molecule, has good gas permeability.

As shown in fig. 1, the hydrophobic nanofiber membrane layer 7 has an average fiber diameter of 80-400 nm. The average fiber diameter of the oleophobic nanofiber membrane layer 5 is 80-400 nm. The nose bridge layering 3 is located the upper portion of gauze mask body 2, and nose bridge layering 3 is located between supporting layer 4 and hydrophobic nanofiber membrane 7.

As shown in fig. 1, the ear straps 1 are spot-welded on the surface of the superfine fiber filter material layer 6, and the two ear straps 1 are symmetrically arranged on two sides of the mask body 2. The thickness of the superfine fiber filter material layer 6 ranges from 0.1 mm to 0.8 mm. The periphery of the supporting layer 4 and the periphery of the hydrophobic nanofiber membrane layer 7 are compounded together through ultrasonic spot welding, and a plurality of welding spots of the ultrasonic spot welding are distributed in an array; the area of each welding point is 0.05-0.5mm2, and the distance between two adjacent welding points is 5-20 mm.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A nanofiber mask, comprising: the mask comprises a mask body, an ear band and a nose bridge batten, wherein the mask body comprises a supporting layer, a hydrophobic nanofiber membrane layer, an oleophobic nanofiber membrane layer and a superfine fiber filter material layer which are sequentially compounded from inside to outside;

the supporting layer is a plain cloth with the fiber diameter within the range of 0.05-0.3 mm;

the nose bridge batten is positioned at the upper part of the mask body and is arranged between the supporting layer and the hydrophobic nanofiber membrane layer.

2. The nanofiber mask of claim 1 wherein the hydrophobic nanofiber membrane layer has an average fiber diameter of 80-400 nm.

3. The nanofiber mask of claim 2 wherein the mean fiber diameter of the oleophobic nanofiber membrane layer is 80-400 nm.

4. The nanofiber mask as claimed in claim 3, wherein the ear bands are spot-welded to the surface of the microfiber filter layer, and the two ear bands are symmetrically disposed at two sides of the mask body.

5. The nanofiber mask as claimed in claim 4, wherein the thickness of the microfiber filter layer ranges from 0.1 to 0.8 mm.

6. The nanofiber mask as claimed in claim 5, wherein the periphery of the support layer and the periphery of the hydrophobic nanofiber membrane layer are compounded together by ultrasonic spot welding, and a plurality of welding spots of the ultrasonic spot welding are distributed in an array; the area of each welding spot is 0.05-0.5mm²And the distance between two adjacent welding points is 5-20 mm.